Langfuse
Langfuse · AI
LLM observability: traces, prompts, evaluations and costs
The client pastes their public and secret key from Langfuse's settings. We store it encrypted.
Tested against Langfuse's live API.
Tools
Every tool your agent gets for Langfuse. Select one to see its inputs and an example call.
- Loading every tool…
Building with Langfuse? The docs have setup steps and code for every tool.
Open the Langfuse docsAny other endpoint
The request tool calls any Langfuse endpoint the tools above don't cover, with the client's access attached.
Base URL for request
https://cloud.langfuse.com/api/public
request
HTTPS ANY /v1/clients/{clientId}/langfuse/{path}
Any endpoint of Langfuse's own API, with the client's access attached.
- servicestringrequired
- This service: langfuse
- methodstringrequired
- GET, POST, PUT, PATCH or DELETE
- pathstringrequired
- The path under https://cloud.langfuse.com/api/public
- queryobjectoptional
- Query parameters
- bodyobjectoptional
- A JSON body
Over MCP every tool also takes client_id, from list_clients. Over HTTPS send it as clientId to https://api.operate.as/v1.
What the client approves
- Use the Langfuse key you paste, with only the access you gave that key
Get started
Send your next client one link
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